Contents
Lesson 1 Measurement Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Lesson 2 Customary Units of Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Lesson 3 Using a Ruler: Inches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Lesson 4 Metric Units of Length. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Lesson 5 Using a Ruler: Centimeters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Lesson 6 Equivalent Units of Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Lesson 7 Customary Units of Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Lesson 8 Metric Units of Weight. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Lesson 9 Customary Units of Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Lesson 10 Measuring Customary Units of Capacity. . . . . . . . . . . . . . . . . . . . . . . 22
Lesson 11 Metric Units of Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Lesson 12 Estimating Measurements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Lesson 13 More Estimating Measurements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Lesson 14 Money: Counting Coins and Bills . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Lesson 15 More Money . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Lesson 16 Time: Fractions of an Hour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Lesson 17 Telling Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Lesson 18 Fahrenheit Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Lesson 19 Celsius Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Lesson 20 Perimeter: Customary Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Lesson 21 Perimeter: Metric Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Lesson 22 Area. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
How to Answer Constructed Response Questions . . . . . . . . . . . . . . . . . . . . . . . . 48
LESSON
8
Metric Units of Weight
Grams and kilograms are metric units of weight.
Use grams for small objects
or amounts, such as a
granola bar or pencil.
1,000 grams ⫽ 1 kilogram
Some scales are marked in kilograms and grams.
900
0
100
800
700
600
This scale measures weight in grams.
The marked numbers are 100 grams,
200 grams, and so on. There are
10 spaces between numbers, so
each mark stands for 10 grams.
200
GRAMS
500
Use kilograms for larger
objects or amounts, such as
a bike or a person.
Abbreviations for metric
units of weight:
g ⫽ gram
kg ⫽ kilogram
300
400
This banana weighs 150 grams.
Read each problem. Circle the letter of the best answer.
1 Which unit would be best for measuring
the weight of a peanut?
3 Which tool would be best to measure the
weight of a bag of ice?
A
grams
C
inches
B
pounds
D
kilograms
A
C
B
D
kg
A peanut weighs a small amount. Pounds
and kilograms measure heavier amounts.
Inches measure length, not weight. The
correct answer is A.
4 What is the weight of this watch, to the
nearest gram?
2 What weight is shown on this scale dial?
900
0
100
800
200
90
0
10
20
80
700
600
GRAMS
500
300
70
400
30
GRAMS
60
50
40
A
800 grams
C
830 grams
A
45 grams
C
74 grams
B
803 grams
D
850 grams
B
70 grams
D
86 grams
18
Finish Line Math Strands
© The Continental Press, Inc. Do not duplicate.
Read each problem. Write your answers.
5 Julian wants to weigh a letter before he mails it.
A Which unit would be better for Julian to use, grams or kilograms?
Answer: ________________________
B Explain how you know your answer is correct.
___________________________________________________________________________________
___________________________________________________________________________________
___________________________________________________________________________________
6 The weights on the balance scale are marked in kilograms.
1 1 1 5
5
10
A What is the total weight of the plant and the pot?
Answer: ________________________
B The dirt and the plant weigh a total of 8 kilograms. Which weights
can be used to show the weight, in kilograms, of the pot?
Answer: __________________________________________________________________________
C Explain how you found your answer.
___________________________________________________________________________________
___________________________________________________________________________________
___________________________________________________________________________________
___________________________________________________________________________________
Measurement
19
Level C
© The Continental Press, Inc. Do not duplicate.